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42527788 = 2210879781
BaseRepresentation
bin1010001000111…
…0110000101100
32222000122011021
42202032300230
541341342123
64115303524
71024323502
oct242166054
988018137
1042527788
1122007836
12122aaba4
138a70294
145910672
153b00c5d
hex288ec2c

42527788 has 12 divisors (see below), whose sum is σ = 74499712. Its totient is φ = 21242160.

The previous prime is 42527747. The next prime is 42527801. The reversal of 42527788 is 88772524.

It is a super-2 number, since 2×425277882 = 3617225504345888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 9238.

Almost surely, 242527788 is an apocalyptic number.

It is an amenable number.

42527788 is a deficient number, since it is larger than the sum of its proper divisors (31971924).

42527788 is a wasteful number, since it uses less digits than its factorization.

42527788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872 (or 10870 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 42527788 is about 6521.3332992571. Note that the first 3 decimals coincide. The cubic root of 42527788 is about 349.0526435149.

The spelling of 42527788 in words is "forty-two million, five hundred twenty-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 4 1087 2174 4348 9781 19562 39124 10631947 21263894 42527788